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Non-linear magnetohydrodynamic simulations of plasma instabilities from pellet injection in Large Helical Device plasma

Shimpei Futatani, Yasuhiro Suzuki2019年Plasma Physics and Controlled FusionIF 2.2出版社

The effect of pellets on the global magnetohydrodynamic (MHD) dynamics of the Large Helical Device (LHD), which is a large superconducting heliotron in Japan, has been analyzed with the MIPS code. A pellet ablation model based on the neutral gas shielding model has been implemented. Excitation of MHD modes by the three-dimensionally localized pressure perturbation caused by the pellet injection has been observed. The dependence of the MHD-instabilities on the pellet size has been analyzed.

日本語訳

ペレットが、日本にある大型超伝導ヘリカル装置である大型ヘリカル装置(LHD)のグローバルな磁気流体力学(MHD)ダイナミクスに及ぼす影響が、MIPSコードを用いて解析された。中性ガス遮蔽モデルに基づくペレットアブレーションモデルが実装された。ペレット入射によって引き起こされる三次元的に局在化した圧力摂動によるMHDモードの励起が観測された。MHD不安定性のペレットサイズへの依存性が解析された。

装置

lhd高精度(タイトル一致)

wiki

MagnetohydrodynamicsHelical devicePellet injection
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